function prettyDate(time){
    var date=new Date(time);
    var diff=(((new Date()).getTime()-date.getTime())/1000);
    var day_diff=Math.floor(diff/86400);
    if(isNaN(day_diff)||day_diff<0||day_diff>=31) {
        return;
    }
    return day_diff==0 && (diff<60&&"just now"||diff<120&&"1 minute ago"||diff<3600&&Math.floor(diff/60)+" minutes ago"||diff<7200&&"1 hour ago"||diff<86400&&Math.floor(diff/3600)+" hours ago")||day_diff==1&&"Yesterday"||day_diff<7&&day_diff+" days ago"||day_diff<31&&Math.ceil(day_diff/7)+" weeks ago";}
if(typeof jQuery!="undefined")
jQuery.fn.prettyDate=function(){return this.each(function(){var date=prettyDate(this.title);if(date)
jQuery(this).text(date);});};
